Home / 44,681.82-66,920.70-21,324.66

Finding the Fourth Proportional to 44,681.82, 66,920.70 and 21,324.66

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Solution

The fourth proportional to 44,681.82, 66,920.70 and 21,324.66 is: 31,938.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,681.82 : 66,920.70 = 21,324.66 : x
  2. Step 2: Convert to fraction form
    44,681.82/66,920.70 = 21,324.66/x
  3. Step 3: Cross multiply
    44,681.82x = 66,920.70 × 21,324.66
  4. Step 4: Simplify right side
    44,681.82x = 1,427,061,174.46
  5. Step 5: Solve for x
    x = 1,427,061,174.46/44,681.82
  6. Step 6: Final answer
    x = 31,938.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.